From 1b1d3ad7280375c66035e4dd6d6833f163d38a40 Mon Sep 17 00:00:00 2001
From: Raymond Hill <rhill@raymondhill.net>
Date: Sun, 31 Dec 2017 18:19:48 -0500
Subject: [PATCH] add ability to block web workers on a per-site basis

---
 src/js/contentscript-start.js | 44 +++++++++++++++++++++++++++++++++++
 1 file changed, 44 insertions(+)
 create mode 100644 src/js/contentscript-start.js

diff --git a/src/js/contentscript-start.js b/src/js/contentscript-start.js
new file mode 100644
index 0000000..605b89c
--- /dev/null
+++ b/src/js/contentscript-start.js
@@ -0,0 +1,44 @@
+/*******************************************************************************
+
+    uMatrix - a Chromium browser extension to black/white list requests.
+    Copyright (C) 2017 Raymond Hill
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program.  If not, see {http://www.gnu.org/licenses/}.
+
+    Home: https://github.com/gorhill/uMatrix
+*/
+
+'use strict';
+
+/******************************************************************************/
+/******************************************************************************/
+
+// Injected into content pages
+
+(function() {
+
+    if ( typeof vAPI !== 'object' ) { return; }
+
+    window.addEventListener('securitypolicyviolation', function(ev) {
+        vAPI.messaging.send(
+            'contentscript.js',
+            {
+                what: 'securityPolicyViolation',
+                policy: ev.originalPolicy,
+                url: ev.documentURI
+            }
+        );
+    });
+
+})();